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Related bugs

Bug #1266492: ld:i386 crashes with -static -fPIE -pie	High	Confirmed
Bug #1279620: stack corruption running "go install launchpad.net/juju-core/..."	Medium	Confirmed

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Related blueprints

348. By Steve Beattie on 2016-04-08

* SECURITY UPDATE: buffer overflow in gethostbyname_r and related
  functions
  - debian/patches/any/CVE-2015-1781.diff: take alignment padding
    into account when computing if buffer is too small.
  - CVE-2015-1781
* SECURITY UPDATE: glibc Name Service Switch (NSS) denial of sevice
  - debian/patches/any/CVE-2014-8121-1.diff: do not close NSS files
    database during iteration.
  - debian/patches/any/CVE-2014-8121-2.diff: Separate internal state
    between getXXent and getXXbyYY NSS calls.
  - CVE-2014-8121
* SECURITY UPDATE: glibc unbounded stack usage in NaN strtod
  conversion
  - debian/patches/any/CVE-2014-9761-1.diff: Refactor strtod parsing
    of NaN payloads.
  - debian/patches/any/CVE-2014-9761-1.diff: Fix nan functions
    handling of payload strings
  - CVE-2014-9761
* SECURITY UPDATE: NSS files long line buffer overflow
  - debian/patches/any/CVE-2015-5277.diff: Don't ignore too long
    lines in nss_files
  - CVE-2015-5277
* SECURITY UPDATE: out of range data to strftime() causes segfault
  (denial of service)
  - debian/patches/any/CVE-2015-8776.diff: add range checks to
    strftime() processing
  - CVE-2015-8776
* SECURITY UPDATE: glibc honors LD_POINTER_GUARD env for setuid
  AT_SECURE programs (e.g. setuid), allowing disabling of pointer
  mangling
  - debian/patches/any/CVE-2015-8777.diff: Always enable pointer
    guard
  - CVE-2015-8777
* SECURITY UPDATE: integer overflow in hcreate and hcreate_r
  - debian/patches/any/CVE-2015-8778.diff: check for large inputs
  - CVE-2015-8778
* SECURITY UPDATE: unbounded stack allocation in catopen()
  - debian/patches/any/CVE-2015-8779.diff: stop using unbounded
    alloca()
  - CVE-2015-8779
* SECURITY UPDATE: Stack overflow in _nss_dns_getnetbyname_r
  - debian/patches/any/CVE-2016-3075.diff: do not make unneeded
    memory copy on the stack.
  - CVE-2016-3075
* SECURITY UPDATE: pt_chown privilege escalation
  - debian/patches/any/CVE-2016-2856.diff: grantpt: trust the kernel
    about pty group and permission mode
  - debian/sysdeps/linux.mk: don't build pt_chown
  - debian/rules.d/debhelper.mk: only install pt_chown when built.
  - CVE-2016-2856, CVE-2013-2207
* debian/debhelper.in/libc.postinst: add reboot notifications for
  security updates (LP: #1546457)
* debian/patches/ubuntu/submitted-no-stack-backtrace.diff: update
  patch to eliminate compiler warning.

347. By Marc Deslauriers on 2016-02-16

* SECURITY UPDATE: glibc getaddrinfo stack-based buffer overflow
  - debian/patches/any/CVE-2015-7547-pre1.diff: fix memory leak in
    resolv/nss_dns/dns-host.c.
  - debian/patches/any/CVE-2015-7547-pre2.diff: fix memory leak in
    include/resolv.h, resolv/gethnamaddr.c, resolv/nss_dns/dns-canon.c,
    resolv/nss_dns/dns-host.c, resolv/nss_dns/dns-network.c,
    resolv/res_query.c, resolv/res_send.c.
  - debian/patches/any/CVE-2015-7547.diff: fix buffer handling in
    resolv/nss_dns/dns-host.c, resolv/res_query.c, resolv/res_send.c.
  - CVE-2015-7547

346. By Marc Deslauriers on 2015-02-25

* SECURITY UPDATE: getaddrinfo writes to random file descriptors under
  high load
  - debian/patches/any/cvs-resolv-reuse-fd.diff: reload file descriptor
    after calling reopen in resolv/res_send.c.
  - CVE-2013-7423
* SECURITY UPDATE: denial of service via endless loop in getaddr_r
  - debian/patches/any/cvs-getnetbyname.diff: iterate over alias names in
    resolv/nss_dns/dns-network.c.
  - CVE-2014-9402
* SECURITY UPDATE: buffer overflow in wscanf
  - debian/patches/any/cvs-wscanf.diff: calculate correct size in
    stdio-common/vfscanf.c, added test to stdio-common/tst-sscanf.c.
  - CVE-2015-1472
  - CVE-2015-1473

345. By Marc Deslauriers on 2014-12-01

* SECURITY UPDATE: denial of service in IBM gconv modules
  - debian/patches/any/cvs-CVE-2014-6040.diff: fix checks in
    iconvdata/ibm*.c.
  - CVE-2014-6040
* SECURITY UPDATE: arbitrary command execution via wordexp (LP: #1396471)
  - debian/patches/any/CVE-2014-7817.diff: properly handle WRDE_NOCMD in
    posix/wordexp.c, added tests to posix/wordexp-test.c.
  - CVE-2014-7817

344. By Adam Conrad on 2014-08-27

* SECURITY UPDATE: heap overflow in __gconv_translit_find() (LP: #1362409)
  - debian/patches/any/cvs-CVE-2014-5119.diff: Backport upstream commit to
    completely remove support for loadable gconv transliteration modules.

343. By Marc Deslauriers on 2014-07-28

* SECURITY UPDATE: Directory traversal in locale environment handling
  - debian/patches/any/CVE-2014-0475.diff: validate locale names in
    locale/findlocale.c, locale/setlocale.c, added test to
    localedata/tst-setlocale3.c, localedata/Makefile.
  - CVE-2014-0475
* SECURITY UPDATE: use-after-free via posix_spawn_file_actions_addopen
  failing to copy the path argument
  - debian/patches/any/CVE-2014-4043.diff: properly copy path in
    posix/spawn_faction_addopen.c, posix/spawn_faction_destroy.c,
    posix/spawn_int.h, added test to posix/tst-spawn.c.
  - CVE-2014-4043

342. By Adam Conrad on 2014-04-12

debian/patches/arm64/submitted-setcontext.diff: Update to new version
of Will's setcontext patch to fix sigmask handling bug (LP: #1306829)

341. By Adam Conrad on 2014-04-09

* Merge with unreleased 2.19 from Debian experimental, fixing more bugs:
  - Pull in arm64 patches to fix setcontext corruption (LP: #1279620)
  - Apply the IBM 2.19 branch for POWER8 bug fixes and optimizations.
  - Change M_CHECK_ACTION to abort if first MALLOC_CHECK_ bit is set.

340. By Michael Vogt on 2014-04-09

* debian/debhelper.in/libc.preinst:
  - do not show glibc/restart-services question when the system
    is uprading via the desktop session (LP: #1298281)

339. By Adam Conrad on 2014-03-09

* Merge with unreleased 2.19 from Debian experimental, fixing more bugs:
  - Fix bzero/__bzero definition on powerpc/ppc64 with static builds.
  - Enable IFUNC on arm64 builds, now that the toolchain supports it.
  - Revert removal of the XDR currency for installation-locale FTBFS.
  - Pull update from 2.19 branch, fixing bad math in __sin and __cos.
* debian/sysdeps/{i386,amd64}.mk: Build i386 flavours with -fno-regmove,
  this can be reverted when gcc-4.9 becomes the default distro compiler.
* debian/*: Drop the redundant libc6-xen packages on i386 (LP: #1271534)