High severity7.4NVD Advisory· Published Jul 27, 2020· Updated Jun 17, 2026
CVE-2020-15953
CVE-2020-15953
Description
LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection."
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- LibEtPan/LibEtPandescription
- Range: <=1.9.4
- osv-coords2 versionspkg:rpm/opensuse/libetpan&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/libetpan&distro=SUSE%20Package%20Hub%2015%20SP2
< 1.9.4-lp152.3.3.1+ 1 more
- (no CPE)range: < 1.9.4-lp152.3.3.1
- (no CPE)range: < 1.9.4-bp152.4.3.1
Patches
Vulnerability mechanics
References
7- github.com/dinhvh/libetpan/issues/386nvdExploitPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/08/msg00026.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202007-55nvdThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00060.htmlnvdBroken Link
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00075.htmlnvdBroken Link
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M65FVH5XPS23NLHFN3ABEGBSCHZAISXN/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QFBWNA5REI5ZGW2DAOEAVHM23MOU6O5J/nvd
News mentions
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